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Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .
Shell Rotella is a line of heavy-duty engine lubrication products produced by Shell plc.The line includes engine oils, gear oils and coolants. The oil carries both the American Petroleum Institute (API) diesel "C" rating as well as the API gasoline engine "S" rating.
The engine oil specified is Yamalube 4-stroke motor oil (20W40 type SF) or equivalent. Yamaha also warns not to use oils that contain anti-friction modifiers or car oils (often referred to as energy-conserving oils) that contain anti-friction additives, since this will cause clutch slippage and will in turn reduce the life of components and ...
The grades with a W designation are considered Winter-grades, and denote an engine oil's low-temperature properties, while non-winter grades denote an engine oil's properties at the operating temperature of an engine. [5] The SAE 8 through SAE 16 viscosity grades describe oils that can improve fuel economy through reduced hydrodynamic friction ...
The original Kawasaki KZ400 was a 398 cc twin cylinder motorcycle produced from 1974 to 1984. The engine had twin balancer shafts to reduce vibration, one in front of the crankshaft and one to the rear, both moving in the opposite direction to the rotating crankshaft. [1] An emission control system recycled "blow-by" gases.
API 1509, Engine Oil Licensing and Certification System, 15th Edition, 2002. Appendix E, API Base Oil Interchangeability Guidelines for Passenger Car Motor Oils and Diesel Engine Oils (revised) Boughton and Horvath, 2003, Environmental Assessment of Used Oil Management Methods, Environmental Science and Technology, V38; I.A. Inman.